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去年11月6日,一份莫斯科报告说,苏联空间官员在作载人到火星飞行的准备。苏联科学院院长说,这项任务从技术的意义上看是可行的,但也涉及到需要解决一系列复
On November 6 last year, a Moscow report said Soviet space officials were preparing for the manned flight to Mars. The president of the Soviet Academy of Sciences said that this task is feasible from a technical point of view, but it also involves the need to solve a series of complex